M74HC390 Datasheet (ST Microelectronics)

M74HC390, DUAL DECADE COUNTER

ObThe M74HC390 is an high speed CMOS dual -decade counter fabricated with silicon gate )C2MOS technology.

t(sThis dual decade counter contains two ucindependent ripple carry counters.

Each counter dis composed of a divide by two and divide by five rocounter.

The divide by two and divide by five Pcou

M74HC390 Features

* HIgh Speed: fMAX = 79MHz (Typ.) at VCC = 6V

* Low power dissipation: )ICC = 4µA (Max.) at TA = 25°C t(s

* High noise immunity: cVNIH = VNIL = 28 % VCC (Min.) du

* Balanced propagation delays: rotPLH ≅ tPHL P

* Wide operating voltage range: teVCC (Opr) = 2V to 6V le

* Pin and